FILE – In this Sunday, Nov. 16, 2014 file photo,The Oakland Raiders and San Diego Chargers face off against each other during the second half of an NFL football game in San Diego. The Oakland Raiders and San Diego Chargers are planning a shared stadium...

A ballot box sits on a table before a meeting where FairPoint strikers got details before voting on a contract proposal in an International Brotherhood of Electrical Workers hall in Augusta, Maine on Sunday Feb. 22, 2015 in Augusta. (AP Photo/Kennebec...

In this photo taken on Tuesday, Nov. 25, 2014, visitors look over the private collection of automobiles during the once-a-week opening to the public at Stahls Automotive Foundation in Chesterfield Township, in Mich. (AP Photo/Detroit Free Press, Ryan Garza)...

In this Feb. 17, 2015 photo, Rev. Allen Willoughby, left, talks with volunteer Perry Fuqua at Joe’s Java/Your Father’s Kitchen, part of the Sugartree Ministry Center, in Wilmington, Ohio. There are some positive signs these days in the town in a...

FILE-This Feb. 17, 2015 file photo, shows a train derailment that sent a tanker with crude oil into the Kanawha River near Mount Carbon, W.Va. As investigators in West Virginia and Ontario pick through the wreckage from the latest pair of oil train...

Fans watch the 40-yard dash at the NFL football scouting combine in Indianapolis, Saturday, Feb. 21, 2015. (AP Photo/Julio Cortez) INDIANAPOLIS (AP) — As many as 12 million viewers will tune into the NFL combine at some point to watch draft prospects do...